The act of granting authority to someone or something is the act of commissioning.

To commission is to charge someone with a task, giving them the authority do to do something in an official way. The gerund form of the verb, commissioning, can be used as a noun referring to the action of authorizing someone or something. You might attend a ceremony marking the commissioning of a group of new police officers or a new ship for service.

Definitions of commissioning

n the act of granting authority to undertake certain functions

the commission that is given to a government and its policies through an electoral victory
Type of:
authorisation, authorization, empowerment
the act of conferring legality or sanction or formal warrant

Sign up, it's free!

Whether you're a student, an educator, or a lifelong learner, can put you on the path to systematic vocabulary improvement.